Individual Calculations February 2017
 Zifroni, Dov  Total change: 8.20  Rating chartPersonal card
 Israel National Team Championship 2017 Round 1-4 various ISR 2017-01-06
RcRownchangeKK*chgGame
 2509 2452 2.50 4 0.82 10 8.20 
  Popilski, Gil g2551 ISR1.0010.64106.40 
  Mikhalevski, Alexander m2429 ISR0.001-0.5310-5.30 
  Boruchovsky, Avital g2540 ISR1.0010.62106.20 
  Har-Zvi, Ronen g2515 ISR0.5010.09100.90 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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